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syscalls: ppoll

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Matheus
2024-06-19 21:56:26 -03:00
parent 984d74d327
commit f82b07328a
4 changed files with 52 additions and 12 deletions
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kernel-src/sys/syscalls/poll.c
+31
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@@ -100,3 +100,34 @@ syscallret_t syscall_poll(context_t *, pollfd_t *fds, size_t nfds, int timeoutms
free(fdsbuff);
return ret;
}
syscallret_t syscall_ppoll(context_t *context, pollfd_t *fds, size_t nfds, timespec_t *utimeout, sigset_t *usigset) {
timespec_t timeout;
sigset_t sigset;
sigset_t savedset;
if (utimeout) {
syscallret_t ret;
ret.ret = -1;
ret.errno = usercopy_fromuser(&timeout, utimeout, sizeof(timespec_t));
if (ret.errno)
return ret;
}
if (usigset) {
syscallret_t ret;
ret.ret = -1;
ret.errno = usercopy_fromuser(&sigset, usigset, sizeof(sigset_t));
if (ret.errno)
return ret;
signal_changemask(_cpu()->thread, SIG_SETMASK, &sigset, &savedset);
}
syscallret_t ret = syscall_poll(context, fds, nfds, utimeout ? (timeout.s * 1000 + timeout.ns / 1000000) : -1);
if (usigset)
signal_changemask(_cpu()->thread, SIG_SETMASK, &savedset, NULL);
return ret;
}